如何在PHP中将数字更改为随机位置

Question

How would I go about changing the following numbers around to a random positions in php?

Do I need to explode the numbers?

40,52,78,81,25,83,37,77

Thanks

Answer 1

$arr = explode(',', '40,52,78,81,25,83,37,77');
shuffle($arr);
echo implode(',', $arr);

http://ideone.com/sh2uH